Year	Billions of United States Dollars
1960-01-01	119.24850
1961-01-01	123.50700
1962-01-01	133.47300
1963-01-01	142.10225
1964-01-01	153.72125
1965-01-01	168.26200
1966-01-01	184.11900
1967-01-01	190.50175
1968-01-01	207.11300
1969-01-01	223.93550
1970-01-01	227.85125
1971-01-01	247.07700
1972-01-01	279.72575
1973-01-01	316.68850
1974-01-01	336.70175
1975-01-01	347.91250
1976-01-01	395.75375
1977-01-01	467.45100
1978-01-01	558.15275
1979-01-01	641.76200
1980-01-01	672.37900
1981-01-01	748.75975
1982-01-01	752.89075
1983-01-01	814.43150
1984-01-01	947.86700
1985-01-01	1027.70400
1986-01-01	1080.66350
1987-01-01	1119.66500
1988-01-01	1176.88175
1989-01-01	1242.44125
1990-01-01	1269.27225
1991-01-01	1238.83150
1992-01-01	1292.79575
1993-01-01	1377.89450
1994-01-01	1486.87275
1995-01-01	1594.00325
1996-01-01	1721.21450
1997-01-01	1851.27900
1998-01-01	2016.95275
1999-01-01	2194.72125
2000-01-01	2372.71350
2001-01-01	2385.00875
2002-01-01	2354.11875
2003-01-01	2477.18300
2004-01-01	2703.38950
2005-01-01	2990.49300
2006-01-01	3182.85800
2007-01-01	3231.08400
2008-01-01	3136.44950
2009-01-01	2723.34450
2010-01-01	2756.05950
2011-01-01	2922.91850
2012-01-01	3171.57300
2013-01-01	3321.88550
2014-01-01	3556.28250
2015-01-01	3704.75125
2016-01-01	3772.43800
2017-01-01	3985.67000